Nissan Juke Service and Repair Manual : P0488 EGR system

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect EGR volume control valve harness connector and ECM harness connector.

3. Check the continuity between EGR volume control valve terminal harness connector and ECM harness connector.

4. Also check harness for short to ground and short to power.


4. Also check harness for short to ground and short to power.

OK or NG OK >> GO TO 2.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

2.CHECK EGR VOLUME CONTROL VALVE

Refer to EC-954, "Component Inspection".

OK or NG OK >> GO TO 3.

NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".

3.CHECK EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR

Refer to EC-954, "Component Inspection".

OK or NG OK >> GO TO 4.

NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".

4.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection

EGR VOLUME CONTROL VALVE

1. Disconnect EGR volume control valve harness connector.

2. Check resistance EGR volume control valve harness connector.

If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".


If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".

EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR

1. Disconnect EGR volume control valve harness connector.

2. Check continuity EGR volume control valve harness connector.

If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".


If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".

    P0487 EGR volume control valve
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect EGR volume control valve harness connector and ECM ...

    P0504 ASCD brake SWI
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF and wait at least 20 seconds. 2. Check ground connection E38. Refer to Ground inspection ...

    Other materials:

    B257B, B257C ambient sensor
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC is displayed along with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to HAC- 51, "DTC Logic". • If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. HAC-52, "DTC Logic ...

    Side oil seal
    Exploded View 1. Rear final drive assembly 2. Side oil seal (right) 3. Electric controlled coupling (right) 4. Reamer bolt 5. Side oil seal (left) 6. Electric controlled coupling (left) A. Oil seal lip B. Gear carrier mouting face : Vehicle front : N·m (kg-m, ft-lb) : Always replace ...

    Brake pedal vibration or operation sound occurs
    Description • Brake pedal vibrates and motor sound from ABS actuator and electric unit (control unit) occurs, when the engine starts. • Brake pedal vibrates during braking. CAUTION: Vibration may be felt during brake pedal is lightly depressed (just placing a foot on it) in the following ...